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Microstructure and synthesis mechanism of Al-Ti-C-Sr master alloy ZHAO Hong-liang(赵红亮), WANG Jun(王 军), SONG Yong(宋 勇), GUAN Shao-kang(关绍康) School of Materials Science and Engineering, Zhengzhou... is composed of α(Al), TiAl3, TiC, Al4Sr and Al-Ti-Sr phases. The synthesis mechanisms of the master alloy are as follows: TiAl3 is formed through the reaction between K2TiF6 and Al melt at 850 ℃; when the melt......
Preparation of AI-Ca Master Alloy by Electrolysis of Chloride-Fluoride Melts邱竹贤,苏全清摘 要:<正> Al-Ca master alloy was prepared in a labora-tory electrolysis cell.The operating parameters usedwere:temperature range 680-720℃,cathodic cur-rent density 0.76-1.10 A/cm2,bath compositionin wt-% 75-85 CaCl2+2-5 KCl+2-5 CaF2.Un-der optimal conditions......
Influencing Factors of Preparation of Al-Mg-Sc Master Alloy Zhang Guifang1,Zhang Zonghua1,Zhang Jun1 (1.Faculty of Land Resource Engineering, Kunming University of Science and Technology, Yunnan... of receives of scandium, and determined the technological conditions which uses the method of hot Al-Mg restoring anhydrous the chloride of scandium to prepare the Al-Mg-Sc master alloy. The best......
Influencing Factors of Preparation of Al-Mg-Sc Master Alloy张军,张宗华,张桂芳摘 要:Through the experiment, the reduced temperature, the containing scandium quantity... restoring anhydrous the chloride of scandium to prepare the Al-Mg-Sc master alloy. The best experimental technological conditions are that the master alloy can contains 8.0% of scandium while the restoring......
Grain and dendrite refinement of A356 alloy with Al-Ti-C-RE master alloyHong-Liang Zhao,Jin-Sheng Yue,Ya Gao,Kang-Rong WengCollege of Materials Science and Engineering, Zhengzhou University摘 要:Commercial A356 alloy was refined with a homemade Al-5Ti-0.25C-2RE master alloy, and the microstructure and macrostructure of the refined alloy were investigated......
tests of Al-5 Ti-1 B master alloy were conducted on the thermal mechanical simulator Gleeble-1500 D at the deformation temperature range of 300-450 ℃,the strain rate range of 0.01-10.00 s-1,and... increases with the increase of strain rate,while it decreases with the increase of temperature.The hot deformation activation energy of Al-5 Ti-1 B master alloy is calculated to be250.9 kJ·mol-1,and......
Grain Refinement of Aluminium by Master Alloy AlTi6C1冯庆玲摘 要:<正> For the grain refinement of super pure aluminium and commercial pure aluminium,Al-Ti-C master al-loy is better than Al-Ti alloy.It was shown by scanning electron microscope(SEM)and electron-probe mi-croanalyser(EPMA)that when the amount of titanium added is less than 0.15%,grain......
Effect of Y Addition on Microstructure and Constituent Phases of Al-Ti-C Master Alloy许春香,卢斌峰,吕正玲,张金山,梁伟摘 要:Al-Ti-C master alloy was prepared by SHS (Self... master alloy while blocky (AlTiY) phase appears in Al-Ti-C-1.0Y master alloy. Al3Y with dendritic morphology and small blocky Al2Y except for TiC are found in Al-Ti-C-2-0Y master alloy.关键词:......
Preparation of Al–La master alloy by ultrasonic method and modification on Al alloyHong Yan,Xian-Chen Song,Xin HuangDepartment of Materials Processing Engineering,School of Mechanical and Electrical..., and both of the alloys were added into the Al alloy.Then, the microstructure of Al–La master alloy and the modification effect on the Al alloy were investigated using optical microscope(OM), X-ray......
Al-Si-P master alloy and its modification and refinement performance on Al-Si alloysZUO Mina, LIU Xiangfaa, DAI Hongshanga, and LIU Xiangjunb a Key Laboratory of Liquid-Solid Structure Evolution...="ChDivSummary">An Al-Si-P master alloy has been developed by an in-situ reaction and the electron probe microanalyzer (EPMA) results show that there are many pre-formed AlP particles contained......
